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Herbaceous Perennial

Eutrochium maculatum (Atropurpureum Group) 'Riesenschirm'

eupatorium 'Riesenschirm'

A tall, clump-forming herbaceous perennial to 2.5m in height, with dark purple-black stems and dark green foliage. Large clusters of purple-pink flowers appear from summer to early autumn

Synonyms

Eupatorium purpureum subsp. maculatum 'Rise and Shine'
Eupatorium purpureum subsp. maculatum 'Riesenschirm'
see moreEupatorium maculatum (Atropurpureum Group) 'Riesenschirm'
Eupatorium purpureum subsp. maculatum 'Riesinschirm'

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Ultimate height

1.5–2.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: A small genus of five flowering herbaceous perennial species native to North America. Erect, stout stems carry lance-shaped leaves and terminal large, fluffy clusters of many small, pink, sometimes white flowers
Name status: Accepted

How to grow

Cultivation

Grow in any moist soil in full sun or partial shade

Propagation

Propagate by division in spring

Suggested planting locations and garden types

Prairie planting
Cottage and informal garden
Wildlife gardens
Flower borders and beds

Pruning

Cut back at the end of the season

Pests

Generally pest-free

Diseases

Generally disease-free

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